Home / 87,683.02-131,492.22-31,508.11

Finding the Fourth Proportional to 87,683.02, 131,492.22 and 31,508.11

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Solution

The fourth proportional to 87,683.02, 131,492.22 and 31,508.11 is: 47,250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,683.02 : 131,492.22 = 31,508.11 : x
  2. Step 2: Convert to fraction form
    87,683.02/131,492.22 = 31,508.11/x
  3. Step 3: Cross multiply
    87,683.02x = 131,492.22 × 31,508.11
  4. Step 4: Simplify right side
    87,683.02x = 4,143,071,331.90
  5. Step 5: Solve for x
    x = 4,143,071,331.90/87,683.02
  6. Step 6: Final answer
    x = 47,250.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.